WO2019184748A1 - Electronic device - Google Patents

Abstract

The present application provides an electronic device. The electronic device comprises a device body, a first antenna module, a controller, and an adjusting module. The first antenna module comprises a first antenna radiator. The first antenna radiator is movably connected to the device body. When the first antenna radiator is in a first position with respect to the device body, the first antenna module operates in a first frequency band; when the first antenna radiator is in a second position with respect to the device body, the first antenna module operates in a second frequency band. The controller generates a first control signal. The adjusting module receives the first control signal, and adjusts the operating frequency band of the first antenna module from the second frequency band to the first frequency band under the control of the first control signal. The first position is different from the second position, and the first frequency band is different from the second frequency band. The present application is conducive to the improvement of the frequency offset of an electronic device.

Description

Electronic device Technical field

The present application relates to the field of electronic devices, and in particular, to an electronic device.

Background technique

An antenna is a transducer that converts a guided wave transmitted on a transmission line into an electromagnetic wave transmitted in an unbounded medium (usually free space), or converts an electromagnetic wave transmitted in an unbounded medium into a transmission line. A device for guiding waves. An electronic device such as a mobile phone usually includes an antenna to realize a communication function such as transmitting an image or a sound of an electronic device such as a mobile phone. Normally, the antenna works in the preset frequency band. When the environment around the antenna changes, the frequency band in which the antenna actually works will be shifted, resulting in poor communication performance of the electronic device.

Application content

The present application provides an electronic device including a device body, a first antenna module, a controller, and an adjustment module, the first antenna module including a first antenna radiator, and the first antenna radiation The first antenna module operates in a first frequency band when the first antenna radiator is in a first position compared to the device body; and when the first antenna radiates When the body is in the second position, the first antenna module operates in the second frequency band, the controller generates a first control signal, and the adjustment module receives the first control signal, And adjusting, according to the first control signal, a frequency band in which the working of the first antenna module is adjusted from the second frequency band to the first frequency band, where the first position is different from the second frequency Position, the first frequency band is different from the second frequency band.

The present application also provides an electronic device, the electronic device includes a device body, a first antenna module, a sensor, a controller, and an adjustment module, and the first antenna module includes a first antenna radiator. The first antenna radiator is movably coupled to the apparatus body, the sensor sensing a change in position of the first antenna radiator relative to the apparatus body and according to the first antenna radiator The position of the device body is changed to obtain a sensing signal, the controller sends a control signal according to the sensing signal, and the adjusting module is configured to receive the touch signal and control the first control under the control signal The frequency band in which an antenna module operates remains unchanged.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the embodiments will be briefly described below. Obviously, the drawings in the following description are some embodiments of the present application, which are common to the art. For the skilled person, other drawings can be obtained from these drawings without any creative work.

FIG. 1 is a schematic structural view of a first antenna radiator in an electronic device according to a first embodiment of the present application in a first position compared to a device body.

2 is a schematic structural view of a first antenna radiator in an electronic device according to a first embodiment of the present application in a second position relative to a device body.

FIG. 3 is a schematic structural diagram of a circuit of an electronic device according to a first embodiment of the present application.

FIG. 4 is a schematic structural diagram of a circuit of an electronic device according to a second embodiment of the present application.

FIG. 5 is a schematic structural diagram of a circuit of an electronic device according to a third embodiment of the present application.

FIG. 6 is a schematic structural diagram of a circuit of an electronic device according to a fourth embodiment of the present application.

FIG. 7 is a schematic structural diagram of a circuit of an electronic device according to a fifth embodiment of the present application.

FIG. 8 is a schematic structural diagram of an electronic device according to a second embodiment of the present application.

detailed description

In a first aspect, the present application provides an electronic device including a device body, a first antenna module, a controller, and an adjustment module, where the first antenna module includes a first antenna radiator, The first antenna radiator is movably connected to the device body, and when the first antenna radiator is in a first position relative to the device body, the first antenna module operates in a first frequency band; When the first antenna radiator is in the second position relative to the device body, the first antenna module operates in the second frequency band, the controller generates a first control signal, and the adjustment module receives the first a control signal, and adjusting a working frequency band of the first antenna module from the second frequency band to the first frequency band under control of the first control signal, wherein the first position is different from In the second location, the first frequency band is different from the second frequency band.

In a first possible implementation, the first antenna module further includes a first RF signal source, the first RF signal source is used to generate an excitation signal, and the adjustment module includes a first matching circuit and a first a matching circuit, when the first antenna radiator is in a first position compared to the device body, the controller controls the first matching circuit to electrically connect the first RF signal source and the first An antenna radiator, the excitation signal being loaded on the first antenna radiator via the first matching circuit; when the first antenna radiator is in a second position compared to the device body, the controlling And cutting off the electrical connection between the first matching circuit and the first RF signal source and the first antenna radiator, and controlling the second matching circuit to electrically connect the first RF signal source and the a first antenna radiator, the excitation signal being loaded on the first antenna radiator via the second matching circuit.

With reference to the first possible implementation manner, in a second possible implementation manner, the first matching circuit includes a first coupling capacitor, and when the first matching circuit is electrically connected to the first RF signal source and When the first antenna radiator is used, the first coupling capacitor loads the excitation signal on the first antenna radiator by coupling feeding; the second matching circuit includes a second coupling capacitor when When the second matching circuit electrically connects the first RF signal source and the first antenna radiator, the second coupling capacitor loads the excitation signal on the first antenna radiator by means of coupling feeding Wherein the second coupling capacitance is not equal to the first coupling capacitance.

With reference to the second possible implementation manner, in a third possible implementation manner, when the second frequency band is greater than the first frequency band, the second coupling capacitor is smaller than the first coupling capacitor; When the second frequency band is smaller than the first frequency band, the second coupling capacitance is greater than the first coupling capacitance.

In a fourth possible implementation, the adjustment module includes a third matching circuit, the first antenna module further includes a first radio frequency signal source, and the first radio frequency signal source is used to generate an excitation signal. The excitation signal is loaded on the first antenna radiator via the third matching circuit, and when the first antenna radiator is in a first position compared to the device body, the adjustment module is in the The capacitance value of the third matching circuit is set to a first capacitance value under the control of the first control signal, and when the second antenna radiator is in the second position compared to the device body, the adjustment module is in the The capacitance value of the third matching circuit is set to a second capacitance value under the control of the first control signal, so that the equivalent electrical length of the first antenna radiator and the electromagnetic wave signal radiating the first frequency band are required. Electrical length matching.

In a fifth possible implementation, the electronic device further includes a first radio frequency signal source, the adjustment module includes a conductive sheet, and the first radio frequency signal source is configured to generate an excitation signal, the first radio frequency signal The source electrically connects one end of the first antenna radiator to load the excitation signal on the first antenna radiator, and the other end of the first antenna radiator is spaced apart from the conductive sheet to form Coupling a capacitor, and the conductive sheet is grounded; when the second frequency band is greater than the first frequency band, coupling occurs between the conductive sheet and the first antenna radiator; when the second frequency band is smaller than the In the first frequency band, the conductive strip is disconnected from the first antenna radiator.

In a sixth possible implementation, the first antenna module further includes a first RF signal source, and the adjustment module further includes a third coupling capacitor, where the first RF signal source is used to generate an excitation signal, The radio frequency signal source is electrically connected to one end of the first antenna radiator to load the excitation signal on the first antenna radiator, and when the second frequency band is greater than the first frequency band, the first One end of the three coupling capacitor is electrically connected to the other end of the first antenna radiator, and the other end of the third coupling capacitor is grounded.

In a seventh possible implementation, the electronic device includes a position sensor, the position sensor is fixedly disposed on the device body, and the position sensor is configured to sense the first antenna radiator compared to the The position of the device body changes.

In an eighth possible implementation, the electronic device further includes a signal detector and a processor, the first antenna module further includes a first radio frequency signal source, where the first radio frequency signal source is used to generate an excitation signal The signal detector is electrically connected between the first radio frequency signal source and the first antenna radiator, and the signal detector is configured to detect that the excitation signal is output to the first antenna radiator a signal and detecting a second signal reflected by the first antenna radiator, the processor determining, according to a change in a ratio between the second signal and the first signal, the first antenna radiator The position of the device body changes.

With reference to the first aspect, any one of the first to the eighth possible implementation manners of the first aspect, in the ninth possible implementation, the electronic device further includes a second antenna module, where The second antenna module is fixedly disposed in the device body. When the first antenna radiator is in the first position relative to the device body, the frequency band in which the second antenna module operates is the third frequency band. When the first antenna radiator is in the second position, the frequency band in which the second antenna module operates is the fourth frequency band, and the controller is further configured to generate a second control signal, The adjustment module receives the second control signal, and adjusts the working frequency band of the second antenna module from the fourth frequency band to the third frequency band under the control of the second control signal, where The fourth frequency band is not equal to the third frequency band.

In a second aspect, the present application provides an electronic device including a device body, a first antenna module, a sensor, a controller, and an adjustment module, where the first antenna module includes a first antenna radiation The first antenna radiator is movably connected to the device body, and the sensor senses a change in position of the first antenna radiator relative to the device body and compares according to the first antenna radiator A sensing signal is obtained by changing a position of the device body, the controller sends a control signal according to the sensing signal, and the adjusting module is configured to receive the touch signal and control under the control of the control signal The frequency band in which the first antenna module operates remains unchanged.

In a first possible implementation, the first antenna module further includes a first radio frequency signal source, the first radio frequency signal source is used to generate an excitation signal, and the adjustment module includes a plurality of matching circuits. The controller selectively connects the corresponding matching circuit to the first signal source and the first radiator according to the change of the sensing signal.

With reference to the first possible implementation, in a second possible implementation, the matching circuit includes a first matching circuit and a second matching circuit, where the first matching circuit includes a first coupling capacitor, when the first When a matching circuit electrically connects the first RF signal source and the first antenna radiator, the first coupling capacitor loads the excitation signal on the first antenna radiator by means of coupling feeding; The second matching circuit includes a second coupling capacitor. When the second matching circuit is electrically connected to the first RF signal source and the first antenna radiator, the second coupling capacitor is coupled and fed. The excitation signal is loaded on the first antenna radiator; wherein the second coupling capacitance is not equal to the first coupling capacitance.

With reference to the second possible implementation manner, in a third possible implementation manner, when the second frequency band is greater than the first frequency band, the second coupling capacitor is smaller than the first coupling capacitor; When the second frequency band is smaller than the first frequency band, the second coupling capacitance is greater than the first coupling capacitance.

In a fourth possible implementation, the adjustment module includes a third matching circuit, the first antenna module further includes a first radio frequency signal source, and the first radio frequency signal source is used to generate an excitation signal. The excitation signal is loaded on the first antenna radiator via the third matching circuit, and when the first antenna radiator is in a first position compared to the device body, the adjustment module is in the The capacitance value of the third matching circuit is set to a first capacitance value under the control of the first control signal, and when the second antenna radiator is in the second position compared to the device body, the adjustment module is in the The capacitance value of the third matching circuit is set to a second capacitance value under the control of the first control signal, so that the equivalent electrical length of the first antenna radiator and the electromagnetic wave signal radiating the first frequency band are required. Electrical length matching.

In a fifth possible implementation, the electronic device further includes a first radio frequency signal source, the adjustment module includes a conductive sheet, and the first radio frequency signal source is configured to generate an excitation signal, the first radio frequency signal The source electrically connects one end of the first antenna radiator to load the excitation signal on the first antenna radiator, and the other end of the first antenna radiator is spaced apart from the conductive sheet to form Coupling a capacitor, and the conductive sheet is grounded; when the second frequency band is greater than the first frequency band, coupling occurs between the conductive sheet and the first antenna radiator; when the second frequency band is smaller than the In the first frequency band, the conductive strip is disconnected from the first antenna radiator.

In a sixth possible implementation, the first antenna module further includes a first RF signal source, and the adjustment module further includes a third coupling capacitor, where the first RF signal source is used to generate an excitation signal, The radio frequency signal source is electrically connected to one end of the first antenna radiator to load the excitation signal on the first antenna radiator, and when the second frequency band is greater than the first frequency band, the first One end of the three coupling capacitor is electrically connected to the other end of the first antenna radiator, and the other end of the third coupling capacitor is grounded.

In a seventh possible implementation, the sensor includes a position sensor, the position sensor is fixedly disposed on the device body, and the position sensor is configured to sense the first antenna radiator The position of the device body changes.

In an eighth possible implementation, the sensor includes a signal detector, the electronic device further includes a processor, the first antenna module further includes a first radio frequency signal source, and the first radio frequency signal The source is configured to generate an excitation signal, the signal detector is electrically connected between the first radio frequency signal source and the first antenna radiator, and the signal detector is configured to detect the excitation signal output to the first a first signal on the antenna radiator and a second signal reflected by the first antenna radiator, the processor determining the first according to a change in a ratio between the second signal and the first signal The antenna radiator changes in position relative to the body of the device.

With reference to the second aspect, any one of the first to the eighth possible implementation manners of the second aspect, in the ninth possible implementation manner, the electronic device further includes a second antenna module, where the The second antenna module is fixedly disposed in the device body. When the first antenna radiator is in the first position relative to the device body, the frequency band in which the second antenna module operates is the third frequency band. When the first antenna radiator is in the second position, the frequency band in which the second antenna module operates is the fourth frequency band, and the controller is further configured to generate a second control signal, The adjustment module receives the second control signal, and adjusts the working frequency band of the second antenna module from the fourth frequency band to the third frequency band under the control of the second control signal, where The fourth frequency band is not equal to the third frequency band.

The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the drawings in the embodiments of the present application. It is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present application.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , FIG. 1 is a schematic structural diagram of a first antenna radiator in a first position of an electronic device according to a first embodiment of the present application; A schematic diagram of a structure of a first antenna radiator in an electronic device in an electronic device according to an embodiment of the present invention; FIG. 3 is a schematic diagram of a circuit structure of an electronic device according to a first embodiment of the present application. The electronic device 10 includes but is not limited to a smart phone, a mobile internet device (MID), an e-book, a Play Station Portable (PSP), or a personal digital assistant (PDA). Communication equipment.

The electronic device 10 includes a device body 100, a first antenna module 200, a controller 300, and an adjustment module 400. The first antenna module 200 includes a first antenna radiator 210 , and the first antenna radiator 210 is movably coupled to the device body 100 . The device body 100 is a main body portion of the electronic device 10, and the device body 100 serves as a main mechanical structure and an electrical function realization portion of the electronic device 10. The device body 100 includes, but is not limited to, a housing, a circuit board assembly (a circuit board and devices disposed on the circuit board), a transmission line, an electronic module (such as a screen, etc.) disposed outside the circuit board but electrically connected to the circuit board, and supporting Support structure of electronic components (such as middle frame). When the first antenna radiator 210 is in the first position relative to the apparatus body 100, the first antenna module 200 operates in a first frequency band, when the first antenna radiator 210 is compared to the When the device body 100 is in the second position, the first antenna module 200 operates in the second frequency band. When the first antenna radiator 210 is in the second position relative to the device body 100, the controller 300 generates a first control signal, and the adjustment module 400 receives the first control signal, and The frequency band in which the first antenna module 200 operates is adjusted from the second frequency band to the first frequency band under the control of the first control signal. Wherein the first location is different from the second location, and the first frequency band is different from the second frequency band.

It can be understood that, in FIG. 1 , when the first antenna radiator 210 is in the first position compared to the device body 100 : the first antenna radiator 210 in the electronic device 10 is blocked by the device body 100 , FIG. 2 It is shown that the first antenna radiator 210 is in the second position compared to the device body 100: the first antenna radiator 210 in the electronic device 10 is not blocked by the device body 100, and at this time, the first radiator 210 and the device The distance between the bodies 100 is the farthest. It can be understood that FIG. 1 and FIG. 2 are only for illustrating the difference between the first position and the second position, and are not limited to the first position and the second position. The first antenna radiator 210 is at a first position relative to the apparatus body 100, and the first antenna radiator 210 is at any position relative to the apparatus body 100. The second antenna radiator 210 is compared with the second antenna radiator 210. The second position of the device body 100 may be any position of the second antenna radiator 210 compared to the device body, as long as the first position is different from the second position.

Compared with the prior art, when the position of the first antenna radiator 210 is changed compared to the position of the apparatus body 100, the controller 300 generates a first control signal, and the adjustment module 400 receives the a first control signal, and adjusting a frequency band of operation of the first antenna module 200 from the second frequency band to a first frequency band under control of the first control signal, thereby improving the first antenna radiation When the position of the body 210 is changed compared to the position of the apparatus body 100, the electronic device generates a frequency offset problem.

For further reference, please refer to FIG. 4 , which is a schematic structural diagram of a circuit of an electronic device according to a second embodiment of the present application. In this embodiment, the first antenna module 200 further includes a first RF signal source 230, and the first RF signal source 230 is used to generate an excitation signal. The first antenna radiator 210 receives the excitation signal, converts the excitation signal into an electromagnetic wave signal, and radiates the electromagnetic wave signal. The adjustment module 400 includes a first matching circuit 410 and a second matching circuit 420. When the first antenna radiator 210 is in the first position relative to the apparatus body 100, the controller 300 controls the first matching circuit 410 to electrically connect the first RF signal source 230 and the first An antenna radiator 210. The excitation signal is loaded on the first antenna radiator 210 via the first matching circuit 410. When the first antenna radiator 210 is in the second position compared to the apparatus body 100, the controller 300 cuts off the first matching circuit 410 and the first RF signal source 230 and the first Electrical connection between the antenna radiators 210, and controlling the second matching circuit 420 to electrically connect the first RF signal source 230 and the first antenna radiator 210, the excitation signal via the second matching circuit 420 is loaded on the first antenna radiator 210. Specifically, the first antenna radiator 210 is provided with a feed point, and the adjustment module 400 further includes a first switch 430 and a second switch 440, and one end of the first switch 430 is electrically connected to the first radio frequency a signal source 230, the other end of the first switch 430 circuit is electrically connected to the feed point of the first matching circuit 410 to the first antenna radiator 210; one end of the second switch 440 is electrically connected to the The RF signal source 230, the other end of the second switch 440 is electrically connected to the feed of the second matching circuit 420 to the first antenna radiator 210. When the first antenna radiator 210 is in the first position compared to the apparatus body 100, the controller 300 controls the first switch 430 to be closed. At this time, the excitation signal is via the first matching circuit 410. Loaded on the first antenna radiator 210. When the first antenna radiator 210 is in the second position compared to the apparatus body 100 compared to the apparatus body 100, the controller 300 controls the first switch 430 to be turned off, and controls the The second switch 440 is closed. Since the first switch 430 is turned off, the electrical connection between the first matching circuit 410 and the radio frequency signal source 230 and the first antenna radiator 210 is cut off; Closely, the excitation signal is loaded on the first antenna radiator 210 via the second matching circuit 420. It can be seen that the controller 300 can control whether the first antenna radiator 210 is via the first matching circuit 410 or via the second by controlling the first switch 430 and the second switch 440. A matching circuit 420 is loaded on the first antenna radiator 210.

Further, the first matching circuit 410 includes a first coupling capacitor 411. When the first matching circuit 410 is electrically connected to the first RF signal source 230 and the first antenna radiator 210, the first The coupling capacitor 411 loads the excitation signal on the first antenna radiator 210 by means of coupling feeding. The second matching circuit 420 includes a second coupling capacitor 421. When the second matching circuit 420 is electrically connected to the first RF signal source 230 and the first antenna radiator 210, the second coupling capacitor 421 The excitation signal is loaded on the first antenna radiator 210 by means of a coupling feed; wherein the second coupling capacitor 421 is not equal to the first coupling capacitor 411. When the second frequency band is greater than the first frequency band, the second coupling capacitor 421 is smaller than the first coupling capacitor 411; when the second frequency band is smaller than the first frequency band, the second coupling capacitor 421 is larger than the first coupling capacitor 411.

Referring to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 5 , FIG. 5 is a schematic structural diagram of a circuit of an electronic device according to a third embodiment of the present disclosure. In the embodiment, the adjustment module 400 includes a third matching circuit 450. The first antenna module 200 further includes a first RF signal source 230, and the first RF signal source 230 is used to generate an excitation signal. The excitation signal is loaded on the first antenna radiator 210 via the third matching circuit 450. When the first antenna radiator 210 is in the first position relative to the device body 100, the adjustment module 400 converts the capacitance value of the third matching circuit 450 under the control of the first control signal. When the second antenna radiator is in the second position relative to the device body 100, the adjustment module 400 sets the third matching circuit under the control of the first control signal. The capacitance value of 450 is set to a second capacitance value such that the equivalent electrical length of the first antenna radiator 210 matches the electrical length required to radiate the electromagnetic wave signal of the first frequency band.

Please refer to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 6 . FIG. 6 is a schematic diagram of a circuit structure of an electronic device according to a fourth embodiment of the present disclosure. In the embodiment, the electronic device 10 further includes a first RF signal source 230, the adjustment module 400 includes a conductive sheet 460, and the first RF signal source 230 is configured to generate an excitation signal, the first RF A signal source 230 is electrically coupled to one end of the first antenna radiator 210 to load the excitation signal on the first antenna radiator 210. The other end of the first antenna radiator 210 is spaced apart from the conductive sheet 460 to form a coupling capacitor, and the conductive sheet 460 is grounded. When the first antenna radiator 210 is in the first position relative to the apparatus body 100, the first antenna module 200 operates in the first frequency band; when the first antenna radiator 210 is compared to the When the device body 100 is in the second position, the first antenna module 200 operates in the second frequency band. When the second frequency band is greater than the first frequency band, coupling between the conductive strip 460 and the first antenna radiator 210; when the second frequency band is smaller than the first frequency band, the conductive The sheet 460 is disconnected from the first antenna radiator 210. In this embodiment, the frequency band in which the first antenna radiator 210 operates is adjusted by changing the electrical length of the first antenna radiator 210.

Referring to FIG. 1 , FIG. 2 , FIG. 3 and FIG. 7 , FIG. 7 is a schematic structural diagram of a circuit of an electronic device according to a fifth embodiment of the present application. In the embodiment, the first antenna module 200 further includes a first RF signal source 230, and the adjustment module 400 further includes a third coupling capacitor 470, where the first RF signal source 230 is used to generate an excitation signal. The RF signal source 230 is electrically connected to one end of the first antenna radiator 210 to load the excitation signal on the first antenna radiator 210, when the second frequency band is greater than the first frequency band. One end of the third coupling capacitor 470 is electrically connected to the other end of the first antenna radiator 210, and the other end of the third coupling capacitor 470 is grounded.

Referring to FIG. 3 again, the electronic device 10 further includes a sensor 500 for sensing a change in position of the first antenna radiator 210 compared to the device body 100. In an embodiment, the sensor 500 includes a position sensor 510 fixedly disposed on the device body 100, and the position sensor 510 is configured to sense the first antenna radiator 210 The position of the device body 100 is changed.

In another embodiment, the sensor 500 includes a signal detector 520. The electronic device 10 further includes a processor 600. The first antenna module 200 further includes a first radio frequency signal source 230. An RF signal source 230 is used to generate an excitation signal. The signal detector 520 is electrically connected between the first RF signal source 230 and the first antenna radiator 210. The signal detector 520 is used to detect the location. The excitation signal is output to the first signal on the first antenna radiator 210 and the second signal reflected back by the first antenna radiator 210 is detected. The processor 600 determines a change in position of the first antenna radiator 210 compared to the apparatus body 100 according to a change in a ratio between the second signal and the first signal. The ratio of the second signal reflected by the first antenna radiator 210 to the first antenna loaded on the first antenna radiator 210 can reflect the first antenna radiator 210 compared to the apparatus body The position of 100 changes. The first antenna radiator 210 operates at a resonant frequency, and a ratio of the second signal to the first signal is the smallest. The first signal and the second signal are all electrical signals. The detection mode in this embodiment is a closed loop detection mode, and the electrical signal (first signal) outputted to the first antenna radiator 210 by the first radio frequency signal source 230 and the first antenna radiator are detected. The electrical signal (second signal) reflected back by 210 can more accurately determine the operating frequency of the first antenna radiator 210 as compared with the detection of the electromagnetic wave signal to determine the operating frequency of the first antenna radiator 210.

Referring to FIG. 1 , FIG. 2 and FIG. 3 again, the electronic device 10 further includes a second antenna module 700. The second antenna module 700 is fixedly disposed in the device body 100 when the first antenna When the radiator 210 is in the first position relative to the apparatus body 100, the frequency band in which the second antenna module 700 operates is the third frequency band, when the first antenna radiator 210 is compared with the apparatus body 100. In the second position, the frequency band in which the second antenna module 700 operates is the fourth frequency band, the controller 300 is further configured to generate a second control signal, and the adjustment module 400 receives the second control signal, And adjusting, according to the second control signal, the working frequency band of the second antenna module 700 from the fourth frequency band to the third frequency band, where the fourth frequency band is not equal to the third frequency band Frequency band.

A specific form in which the first antenna radiator 210 is movably connected to the apparatus body 100 is described below. It can be understood that the form in which the first antenna radiator 210 is movably connected to the apparatus body 100 includes Not limited to the following forms.

Please refer to FIG. 8. FIG. 8 is a schematic structural diagram of an electronic device according to a second embodiment of the present application. In an embodiment, the first antenna module 200 includes a sliding seat 220 , and the first antenna radiator 210 is disposed on the sliding seat 220 . The device body 100 includes a display module 110 and a housing 120 that covers the display module 110. The display module 110 includes a side 111. The housing 120 includes a backing plate 121 and the backing plate. The 121 perimeter bend extends over the frame 122. In this embodiment, the frame 122 is connected between the back plate 121 and the side 111 of the display module 110. The housing 120 is a battery cover of the electronic device 10, and the housing 120 has a recess 120a. The recess 120a is disposed on the back plate 121 and the recess 120a extends to the frame 122. The groove 120a is for receiving the sliding seat 220. The side 111 of the groove 120a is provided with a slide rail, and the sliding seat 220 is provided with a pulley, and the sliding seat 220 is slid in the slide rail by a pulley so that the sliding seat 220 is compared with the The position of the apparatus body 100 changes. Since the first antenna radiator 210 is disposed on the sliding seat 220, the sliding seat 220 slides in the sliding rail through a pulley to drive the first antenna radiator 210 compared to the device body. The position of 100 has changed. In an embodiment, the first antenna radiator 210 is completely received in the recess 120a by the sliding seat 220 in a first position relative to the apparatus body 100. At this time, the first antenna The radiator 210 is completely sandwiched between the sliding seat 220 and the inner wall of the recess 120a. The first antenna radiator 210 is in a second position relative to the apparatus body 100 in that the sliding seat 220 completely slides out or does not completely slide out of the groove 120a. In another embodiment, the first antenna radiator 210 is completely slid out of the sliding seat 220 or does not completely slide out of the groove 120a when the first antenna radiator 210 is in the first position. The first antenna radiator 210 is completely received in the recess 120a when the first antenna radiator 210 is in the second position, and the first antenna radiator 210 is completely clipped. It is disposed between the sliding seat 220 and the inner wall of the groove 120a. In other embodiments, the first antenna radiator 210 is in a first position compared to the apparatus body 100 and the first antenna radiator 210 is in a second position compared to the apparatus body 100. The sliding seat 220 is completely received in the groove 120a, the sliding seat 220 completely slides out of the groove 120a, and the sliding seat 220 is completely accommodated in the sliding seat 220. The groove 120a and the sliding seat 220 completely slide out of any position between the grooves 120a that is not completely slipped out. It can be understood that, in other embodiments, the structure of the electronic device 10 is not limited to the above structure, as long as the first antenna radiator 210 can be movably connected to the device body 100.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the present application further provides an electronic device 10 including an apparatus body 100 , a first antenna module 210 , a sensor 500 , a controller 300 , and an adjustment Module 400. The first antenna module 200 includes a first antenna radiator 210 , and the first antenna radiator 210 is movably coupled to the device body 100 . The sensor 500 senses a change in position of the first antenna radiator 210 compared to the apparatus body 100 and obtains a sensing signal according to a change in position of the first antenna radiator 210 compared to the apparatus body 100. The controller 300 issues a control signal according to the sensing signal. The adjustment module 400 is configured to receive the touch signal and control a frequency band in which the first antenna module 200 operates under the control of the control signal to remain unchanged.

The above is an embodiment of the present application. It should be noted that those skilled in the art can also make some improvements and retouching without departing from the principles of the embodiments of the present application. It is considered as the scope of protection of this application.

Claims (20)

An electronic device includes: a device body, a first antenna module, a controller, and an adjustment module, wherein the first antenna module includes a first antenna radiator, and the first antenna radiates The first antenna module operates in a first frequency band when the first antenna radiator is in a first position compared to the device body; and when the first antenna radiates When the body is in the second position, the first antenna module operates in the second frequency band, the controller generates a first control signal, and the adjustment module receives the first control signal, And adjusting, according to the first control signal, a frequency band in which the working of the first antenna module is adjusted from the second frequency band to the first frequency band, where the first position is different from the second frequency Position, the first frequency band is different from the second frequency band. The electronic device of claim 1 , wherein the first antenna module further comprises a first RF signal source, the first RF signal source is used to generate an excitation signal, and the adjustment module comprises a first a matching circuit and a second matching circuit, wherein the controller controls the first matching circuit to electrically connect the first RF signal source and when the first antenna radiator is in a first position compared to the device body The first antenna radiator, the excitation signal is loaded on the first antenna radiator via the first matching circuit; when the first antenna radiator is in a second position compared to the device body The controller cuts off electrical connection between the first matching circuit and the first radio frequency signal source and the first antenna radiator, and controls the second matching circuit to electrically connect the first radio frequency signal a source and the first antenna radiator, the excitation signal being loaded on the first antenna radiator via the second matching circuit. The electronic device according to claim 2, wherein said first matching circuit comprises a first coupling capacitor, said first matching circuit electrically connecting said first RF signal source and said first antenna radiator The first coupling capacitor loads the excitation signal on the first antenna radiator by means of coupling feeding; the second matching circuit includes a second coupling capacitor, when the second matching circuit is electrically When the first RF signal source and the first antenna radiator are connected, the second coupling capacitor loads the excitation signal on the first antenna radiator by means of coupling feeding; wherein The second coupling capacitance is not equal to the first coupling capacitance. The electronic device according to claim 3, wherein when the second frequency band is greater than the first frequency band, the second coupling capacitance is smaller than the first coupling capacitance; when the second frequency band is smaller than In the first frequency band, the second coupling capacitance is greater than the first coupling capacitance. The electronic device of claim 1 , wherein the adjustment module comprises a third matching circuit, the first antenna module further comprises a first radio frequency signal source, and the first radio frequency signal source is used for generating An excitation signal, the excitation signal is loaded on the first antenna radiator via the third matching circuit, and the adjustment mode is when the first antenna radiator is in a first position compared to the device body The group sets the capacitance value of the third matching circuit to a first capacitance value under the control of the first control signal, and adjusts when the second antenna radiator is in a second position compared to the device body The module sets the capacitance value of the third matching circuit to a second capacitance value under the control of the first control signal, so that the equivalent electrical length of the first antenna radiator and the electromagnetic wave radiating the first frequency band The electrical length required for the signal matches. The electronic device according to claim 1, wherein the electronic device further comprises a first radio frequency signal source, the adjustment module comprises a conductive sheet, and the first radio frequency signal source is used to generate an excitation signal, The first RF signal source is electrically connected to one end of the first antenna radiator to load the excitation signal on the first antenna radiator, and between the other end of the first antenna radiator and the conductive sheet Intervals are formed to form a coupling capacitor, and the conductive sheet is grounded; when the second frequency band is greater than the first frequency band, coupling between the conductive sheet and the first antenna radiator; when the second When the frequency band is smaller than the first frequency band, the conductive sheet is disconnected from the first antenna radiator. The electronic device of claim 1 , wherein the first antenna module further comprises a first RF signal source, the adjustment module further comprises a third coupling capacitor, wherein the first RF signal source is used Generating an excitation signal, the RF signal source electrically connecting one end of the first antenna radiator to load the excitation signal on the first antenna radiator, when the second frequency band is greater than the first frequency band One end of the third coupling capacitor is electrically connected to the other end of the first antenna radiator, and the other end of the third coupling capacitor is grounded. The electronic device according to claim 1, wherein the electronic device comprises a position sensor, the position sensor is fixedly disposed on the device body, and the position sensor is configured to sense the first antenna radiator The position changes compared to the body of the device. The electronic device of claim 1 , wherein the electronic device further comprises a signal detector and a processor, the first antenna module further comprising a first RF signal source, and the first RF signal source Generating an excitation signal, the signal detector being electrically connected between the first radio frequency signal source and the first antenna radiator, the signal detector for detecting the excitation signal output to the first antenna radiation a first signal on the body and detecting a second signal reflected by the first antenna radiator, the processor determining the first antenna radiation according to a change in a ratio between the second signal and the first signal The body changes in position relative to the body of the device. The electronic device according to any one of claims 1 to 9, wherein the electronic device further comprises a second antenna module, wherein the second antenna module is fixedly disposed in the device body, when When the first antenna radiator is in the first position relative to the apparatus body, the frequency band in which the second antenna module operates is the third frequency band, and when the first antenna radiator is in the first In the second position, the frequency band in which the second antenna module operates is the fourth frequency band, the controller is further configured to generate a second control signal, and the adjustment module receives the second control signal, and in the The working frequency band of the second antenna module is adjusted from the fourth frequency band to the third frequency band by the control of the second control signal, wherein the fourth frequency band is not equal to the third frequency band. An electronic device includes: a device body, a first antenna module, a sensor, a controller, and an adjustment module, wherein the first antenna module includes a first antenna radiator, a first antenna radiator is movably coupled to the apparatus body, the sensor sensing a change in position of the first antenna radiator relative to the apparatus body and comparing the first antenna radiator to the apparatus The position of the body is changed to obtain a sensing signal, the controller sends a control signal according to the sensing signal, and the adjusting module is configured to receive the touch signal and control the first control under the control signal The frequency band in which the antenna module operates remains unchanged. The electronic device according to claim 11, wherein the first antenna module further comprises a first radio frequency signal source, the first radio frequency signal source is used to generate an excitation signal, and the adjustment module comprises a plurality of a matching circuit, the controller selectively connecting the corresponding matching circuit to the first signal source and the first radiator according to the change of the sensing signal. The electronic device according to claim 12, wherein said matching circuit comprises a first matching circuit and a second matching circuit, said first matching circuit comprising a first coupling capacitor, said first matching circuit being electrically connected When the first RF signal source and the first antenna radiator are used, the first coupling capacitor loads the excitation signal on the first antenna radiator by means of coupling feeding; the second matching The circuit includes a second coupling capacitor, and when the second matching circuit electrically connects the first RF signal source and the first antenna radiator, the second coupling capacitor transmits the excitation signal by coupling feeding Loading on the first antenna radiator; wherein the second coupling capacitance is not equal to the first coupling capacitance. The electronic device according to claim 13, wherein when the second frequency band is greater than the first frequency band, the second coupling capacitance is smaller than the first coupling capacitance; when the second frequency band is smaller than In the first frequency band, the second coupling capacitance is greater than the first coupling capacitance. The electronic device according to claim 11, wherein the adjustment module comprises a third matching circuit, the first antenna module further comprises a first radio frequency signal source, and the first radio frequency signal source is used for generating An excitation signal, the excitation signal is loaded on the first antenna radiator via the third matching circuit, and the adjustment mode is when the first antenna radiator is in a first position compared to the device body The group sets the capacitance value of the third matching circuit to a first capacitance value under the control of the first control signal, and adjusts when the second antenna radiator is in a second position compared to the device body The module sets the capacitance value of the third matching circuit to a second capacitance value under the control of the first control signal, so that the equivalent electrical length of the first antenna radiator and the electromagnetic wave radiating the first frequency band The electrical length required for the signal matches. The electronic device according to claim 11, wherein the electronic device further comprises a first radio frequency signal source, the adjustment module comprises a conductive sheet, and the first radio frequency signal source is used to generate an excitation signal, The first RF signal source is electrically connected to one end of the first antenna radiator to load the excitation signal on the first antenna radiator, and between the other end of the first antenna radiator and the conductive sheet Intervals are formed to form a coupling capacitor, and the conductive sheet is grounded; when the second frequency band is greater than the first frequency band, coupling between the conductive sheet and the first antenna radiator; when the second When the frequency band is smaller than the first frequency band, the conductive sheet is disconnected from the first antenna radiator. The electronic device of claim 11, wherein the first antenna module further comprises a first RF signal source, the adjustment module further comprises a third coupling capacitor, and the first RF signal source is used Generating an excitation signal, the RF signal source electrically connecting one end of the first antenna radiator to load the excitation signal on the first antenna radiator, when the second frequency band is greater than the first frequency band One end of the third coupling capacitor is electrically connected to the other end of the first antenna radiator, and the other end of the third coupling capacitor is grounded. The electronic device according to claim 11, wherein the sensor comprises a position sensor, the position sensor is fixedly disposed on the device body, and the position sensor is configured to sense the first antenna radiation The body changes in position relative to the body of the device. The electronic device according to claim 11, wherein the sensor comprises a signal detector, the electronic device further comprising a processor, the first antenna module further comprising a first radio frequency signal source, a first RF signal source for generating an excitation signal, the signal detector being electrically connected between the first RF signal source and the first antenna radiator, the signal detector for detecting the excitation signal output to a first signal on the first antenna radiator and a second signal reflected by the first antenna radiator, the processor determining a ratio according to a ratio between the second signal and the first signal The first antenna radiator changes in position relative to the apparatus body. The electronic device according to any one of claims 11 to 19, wherein the electronic device further comprises a second antenna module, wherein the second antenna module is fixedly disposed in the device body, when When the first antenna radiator is in the first position relative to the apparatus body, the frequency band in which the second antenna module operates is the third frequency band, and when the first antenna radiator is in the first In the second position, the frequency band in which the second antenna module operates is the fourth frequency band, the controller is further configured to generate a second control signal, and the adjustment module receives the second control signal, and in the The working frequency band of the second antenna module is adjusted from the fourth frequency band to the third frequency band by the control of the second control signal, wherein the fourth frequency band is not equal to the third frequency band.

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